This topic contains a solution. Click here to go to the answer

Author Question: The motor units of the thumb, fingers, and face contain the A) fewest muscle fibers. B) most ... (Read 43 times)

schs14

  • Hero Member
  • *****
  • Posts: 569
The motor units of the thumb, fingers, and face contain the
 
  A) fewest muscle fibers.
  B) most muscle fibers.
  C) fewest motor neurons.
  D) most motor neurons.
  E) most extensors.

Question 2

In the classic experiments of Lawrence and Kuypers, the descending motor tracts of monkeys were transected. The results of these experiments suggest that the function of the ventromedial pathways is the control of
 
  A) posture.
  B) movements of the body core and associated arm movements.
  C) reaching for objects.
  D) all of the above
  E) both A and B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

Answer: A

Answer to Question 2

Answer: E





 

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

For a complete list of videos, visit our video library